Difference between revisions of "Project:OpenMeter"
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* [http://www.greenweld.co.uk/acatalog/Diffraction_GRatings.html Diffraction grating] ~£10 inc P&P (for 10 1000 lines/mm) - can get cheaper from Ebay.. | * [http://www.greenweld.co.uk/acatalog/Diffraction_GRatings.html Diffraction grating] ~£10 inc P&P (for 10 1000 lines/mm) - can get cheaper from Ebay.. | ||
* Sensor (photo-diode) ~£1, have one in electronics kit. | * Sensor (photo-diode) ~£1, have one in electronics kit. | ||
| + | |||
| + | Total = ~£85 | ||
==Who?== | ==Who?== | ||
* [[user:ciaran.mooney|Ciarán]] | * [[user:ciaran.mooney|Ciarán]] | ||
Revision as of 09:50, 9 February 2011
What?
A visible (possibly UV) spectrometer that is completely open.
Why?
Those that are available for schools are too bloody expensive, given the level of technology they contain.
How?
Design will be based on a Czerny-Turner design.
Probably contain an arduino, cos they get you extra blog-cred.
Parts
- Cuvette Ebay ~£25 inc P&P
- Concave mirror * 2 (£16 each) ~£47.40 inc P&P
- Diffraction grating ~£10 inc P&P (for 10 1000 lines/mm) - can get cheaper from Ebay..
- Sensor (photo-diode) ~£1, have one in electronics kit.
Total = ~£85